Scientists once thought that planning required a primate brain. Experiments with birds are now proving that assumption wrong.

So far, 70 human cases have been confirmed, according to the CDC. Bird flu is continuing to spread in animals across the United States more than a year after the first human case was detected. Since ...

Birds, the warm-blooded and feathered vertebrates, are being used to put romantic partners to the test. A relationship experiment dubbed the "bird theory" is making the rounds on social media. It ...